求翻译：沉浸理论（flow theory）于1975 年由国际著名专家MihalyCsikszentmihalyi 首次提出，他指出，当人们在进行某些日常活动时会完全投入到情境当中，注意力高度集中，并且过滤掉所有与活动不相关的知觉，进入到一种沉浸的状态。在这之后陆续又有学者进行了相关的沉浸行为研究并修正其定义，以期更能符合沉浸状态的描述。是什么意思？

Immersion theory (flow theory) was first proposed in 1975 by internationally renowned experts MihalyCsikszentmihalyi, he pointed out that, when people in carrying out certain day-to-day activities will be fully immersed in the situation, high concentration of attention, and filter out all activities

Immersion theory theory (flow) in 1975 by world-renowned expert MihalyCsikszentmihalyi submitted for the first time, he pointed out that, when it comes to people in a certain daily activities will be fully involved in these contexts, the ability to concentrate, and filter out all the activities were

The immersion theory (flow theory) proposed for the first time in 1975 by international famous expert MihalyCsikszentmihalyi that, he pointed out, when people when carries on certain daily activities can invest completely into the situation, attention high degree of concentration, and filters posses

Immersion theory (flow theory) was first proposed in 1975 by internationally renowned experts MihalyCsikszentmihalyi, he pointed out that, when people in carrying out certain day-to-day activities will be fully immersed in the situation, high concentration of attention, and filter out all activities